Data for: The variation law of friction coefficient of acid etching fracture in carbonate reservoirs

Fig. 6. Three-dimensional image and fracture-surface profile of the centerline before and after etching. Fig. 7. JRC of the fracture before and after the reaction. Fig. 8. Mechanical aperture of the fracture before and after the reaction. Fig. 9. Friction of the fracture before and after the reaction. Fig. 12. Difference in the dolomite fracture friction before and after the reaction under different reaction rates. Fig. 13. Difference in the limestone fracture friction before and after the reaction under different reaction rates. Fig. 14. Relationship between the friction differences before and after the reaction and reaction rates. Fig. 15. Relationship between the friction difference before and after the reaction and reaction time. Fig. 16. Relationship between the friction difference before and after the reaction and volume flow rate. Fig. 17. Relationship between the friction and JRC of the fracture. Fig. 18. Relationship between the fracture friction and hydraulic aperture of the fracture. Fig. 19. Relationship between the friction and conductivity of the fracture. Fig. 20. Relationship between the friction and conductivity of fracture under different reaction times. Fig. 21. Relationship between the friction and conductivity of fracture under different volume flow rates.